(19)

(11)

EP 0 245 326 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 86906327.0 (22) Date of filing: 30.10.1986

(51) International Patent Classification (IPC):  B28C 7/ 12( . ) C04B 7/ 32( . ) C04B 20/ 10( . ) C04B 7/ 02( . ) C04B 7/ 51( . ) C04B 28/ 02( . ) (86) International application number: PCT/EP1986/000625 (87) International publication number: WO 1987/002978 (21.05.1987 Gazette 1987/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 08.11.1985 IT 19850048760 (71) Applicant: MAC MODERN ADVANCED CONCRETE S.P.A. I-31100 Treviso (IT)	(72) Inventors: BIAGINI, Stefano I-31100 Treviso (IT) COLLEPARDI, Mario I-31100 Treviso (IT) (74) Representative: D'haemer, Jan Constant  Sandoz Technology Ltd. Patents and Trademarks Division CH-4002 Basle CH-4002 Basle (CH)